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5.0 auto vs 5.0 5-speed vs. 5.7 auto

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Old 05-26-2001, 05:17 PM
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5.0 auto vs 5.0 5-speed vs. 5.7 auto

what are the stock times for these cars during the 91-92 years, with these tarnnies?
0-60 an d1/4 mile times?


[This message has been edited by jasons86iroc (edited May 26, 2001).]
Old 05-26-2001, 05:32 PM
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if you followed the tranny swap with a gear swap to say 4.10 gears, you would see a decent performance increase and little or no change in gas mileage

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Old 05-27-2001, 02:21 AM
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Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
305 automatic and 305 5-speed with a single cat is low 15's.

305 5-speed with dual cats is high-mid 14's.

350 automatic with dual cats is mid-low 14's.

All TPI, of course.

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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
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